Mathematics, 15.04.2020 03:33 mariakelley15

A teacher wants to see if a new unit on taking square roots is helping students learn. She has five randomly selected students take a pre-test and a post test on the material. The scores are out of 20. Has there been improvement? (pre-post) Find the standard error. Student 1 2 3 4 5 Pre-test 11 9 10 14 10 Post- Test 18 17 19 20 18 Group of answer choices 0.51 -3.4 1.14 -7.6

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A teacher wants to see if a new unit on taking square roots is helping students learn. She has five...